package com.gupaoedu.design.decorator.calcprize;

import java.util.Date;

/**
 * <p></p>
 *
 * @author Andy
 * @date 2018/4/28.
 */
public class ConcreteComponent extends Component {

    @Override
    public double calcPrize(String user, Date begin, Date end) {
        return 0;
    }
}
